For some obscure reason I have no sound in flash based apps.
I have tried mozilla flashplayer and the non-free version with every plugin I could thing of. Still no sound.
I have no problems with sound otherwise. Skype works fine, so does Amarok.

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I have to spcify my post a bit better. I am talking of no sound through the USB headset. I do have sound when I am connedcted to the ordinary audio jack. The Logitech USB head set works just fine with Skype and other apps that are not flash based.
Just curious if andybody else is experiencing the same problem.